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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Indexer\Handler;
use Magento\Framework\Indexer\HandlerInterface;
use Magento\Framework\App\ResourceConnection\SourceProviderInterface;
class ConcatHandler implements HandlerInterface
{
/**
* @var \Magento\Framework\DB\ConcatExpression
*/
protected $concatExpression;
/**
* @param \Zend_Db_Expr $concatExpression
*/
public function __construct(
\Zend_Db_Expr $concatExpression
) {
$this->concatExpression = $concatExpression;
}
/**
* Prepare SQL for field and add it to collection
*
* @param SourceProviderInterface $source
* @param string $alias
* @param array $fieldInfo
* @return void
*/
public function prepareSql(SourceProviderInterface $source, $alias, $fieldInfo)
{
$source->getSelect()->columns([$fieldInfo['name'] => $this->concatExpression]);
}
}